Delegating nested subdomains

Kevin Darcy kcd at
Fri Sep 28 23:06:04 UTC 2007

Mikos Jobanx wrote:
> Hi,
> this is kind of a fundamental / theoretical question, but anyways - is it
> legal / allowed to delegate 'subdomains of an subdomain' into different
> authoritative name servers, in one zone?
> For example in the zone file for
> IN NS ns.alpha.tld.
> IN NS ns.gamma.tld.
No. Delegating a subdomain creates a "zone cut" and you -- the parent 
zone -- can't delegate beneath it. Everything below that level of the 
hierarchy is now in the child zone or delegated to a descendant.

                           - Kevin

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